Body width5 hundredths m
500 millionthsCity block lengths
1.11Matchsticks
The world's least useful encyclopedia

Photo from Wikimedia Commons
The largest movable vertebra in your spine/The Human Body
The five lumbar vertebrae (L1 through L5) are the largest and strongest vertebrae in the spinal column. They bear the majority of the body's weight above the pelvis. Each vertebra has a thick body, short spinous process, and broad transverse processes.